| 1 |
<?php |
| 2 |
|
| 3 |
/* |
| 4 |
* This file is part of the Assetic package, an OpenSky project. |
| 5 |
* |
| 6 |
* (c) 2010-2014 OpenSky Project Inc |
| 7 |
* |
| 8 |
* For the full copyright and license information, please view the LICENSE |
| 9 |
* file that was distributed with this source code. |
| 10 |
*/ |
| 11 |
|
| 12 |
namespace Assetic\Extension\Twig; |
| 13 |
|
| 14 |
use Assetic\Asset\AssetInterface; |
| 15 |
|
| 16 |
class AsseticNode extends \Twig_Node |
| 17 |
{ |
| 18 |
/** |
| 19 |
* Constructor. |
| 20 |
* |
| 21 |
* Available attributes: |
| 22 |
* |
| 23 |
* * debug: The debug mode |
| 24 |
* * combine: Whether to combine assets |
| 25 |
* * var_name: The name of the variable to expose to the body node |
| 26 |
* |
| 27 |
* @param AssetInterface $asset The asset |
| 28 |
* @param \Twig_Node $body The body node |
| 29 |
* @param array $inputs An array of input strings |
| 30 |
* @param array $filters An array of filter strings |
| 31 |
* @param string $name The name of the asset |
| 32 |
* @param array $attributes An array of attributes |
| 33 |
* @param integer $lineno The line number |
| 34 |
* @param string $tag The tag name |
| 35 |
*/ |
| 36 |
public function __construct(AssetInterface $asset, \Twig_Node $body, array $inputs, array $filters, $name, array $attributes = array(), $lineno = 0, $tag = null) |
| 37 |
{ |
| 38 |
$nodes = array('body' => $body); |
| 39 |
|
| 40 |
$attributes = array_replace( |
| 41 |
array('debug' => null, 'combine' => null, 'var_name' => 'asset_url'), |
| 42 |
$attributes, |
| 43 |
array('asset' => $asset, 'inputs' => $inputs, 'filters' => $filters, 'name' => $name) |
| 44 |
); |
| 45 |
|
| 46 |
parent::__construct($nodes, $attributes, $lineno, $tag); |
| 47 |
} |
| 48 |
|
| 49 |
public function compile(\Twig_Compiler $compiler) |
| 50 |
{ |
| 51 |
$compiler->addDebugInfo($this); |
| 52 |
|
| 53 |
$combine = $this->getAttribute('combine'); |
| 54 |
$debug = $this->getAttribute('debug'); |
| 55 |
|
| 56 |
if (null === $combine && null !== $debug) { |
| 57 |
$combine = !$debug; |
| 58 |
} |
| 59 |
|
| 60 |
if (null === $combine) { |
| 61 |
$compiler |
| 62 |
->write("if (isset(\$context['assetic']['debug']) && \$context['assetic']['debug']) {\n") |
| 63 |
->indent() |
| 64 |
; |
| 65 |
|
| 66 |
$this->compileDebug($compiler); |
| 67 |
|
| 68 |
$compiler |
| 69 |
->outdent() |
| 70 |
->write("} else {\n") |
| 71 |
->indent() |
| 72 |
; |
| 73 |
|
| 74 |
$this->compileAsset($compiler, $this->getAttribute('asset'), $this->getAttribute('name')); |
| 75 |
|
| 76 |
$compiler |
| 77 |
->outdent() |
| 78 |
->write("}\n") |
| 79 |
; |
| 80 |
} elseif ($combine) { |
| 81 |
$this->compileAsset($compiler, $this->getAttribute('asset'), $this->getAttribute('name')); |
| 82 |
} else { |
| 83 |
$this->compileDebug($compiler); |
| 84 |
} |
| 85 |
|
| 86 |
$compiler |
| 87 |
->write('unset($context[') |
| 88 |
->repr($this->getAttribute('var_name')) |
| 89 |
->raw("]);\n") |
| 90 |
; |
| 91 |
} |
| 92 |
|
| 93 |
protected function compileDebug(\Twig_Compiler $compiler) |
| 94 |
{ |
| 95 |
$i = 0; |
| 96 |
foreach ($this->getAttribute('asset') as $leaf) { |
| 97 |
$leafName = $this->getAttribute('name').'_'.$i++; |
| 98 |
$this->compileAsset($compiler, $leaf, $leafName); |
| 99 |
} |
| 100 |
} |
| 101 |
|
| 102 |
protected function compileAsset(\Twig_Compiler $compiler, AssetInterface $asset, $name) |
| 103 |
{ |
| 104 |
if ($vars = $asset->getVars()) { |
| 105 |
$compiler->write("// check variable conditions\n"); |
| 106 |
|
| 107 |
foreach ($vars as $var) { |
| 108 |
$compiler |
| 109 |
->write("if (!isset(\$context['assetic']['vars']['$var'])) {\n") |
| 110 |
->indent() |
| 111 |
->write("throw new \RuntimeException(sprintf('The asset \"".$name."\" expected variable \"".$var."\" to be set, but got only these vars: %s. Did you set-up a value supplier?', isset(\$context['assetic']['vars']) && \$context['assetic']['vars'] ? implode(', ', \$context['assetic']['vars']) : '# none #'));\n") |
| 112 |
->outdent() |
| 113 |
->write("}\n") |
| 114 |
; |
| 115 |
} |
| 116 |
|
| 117 |
$compiler->raw("\n"); |
| 118 |
} |
| 119 |
|
| 120 |
$compiler |
| 121 |
->write("// asset \"$name\"\n") |
| 122 |
->write('$context[') |
| 123 |
->repr($this->getAttribute('var_name')) |
| 124 |
->raw('] = ') |
| 125 |
; |
| 126 |
|
| 127 |
$this->compileAssetUrl($compiler, $asset, $name); |
| 128 |
|
| 129 |
$compiler |
| 130 |
->raw(";\n") |
| 131 |
->subcompile($this->getNode('body')) |
| 132 |
; |
| 133 |
} |
| 134 |
|
| 135 |
protected function compileAssetUrl(\Twig_Compiler $compiler, AssetInterface $asset, $name) |
| 136 |
{ |
| 137 |
if (!$vars = $asset->getVars()) { |
| 138 |
$compiler->repr($asset->getTargetPath()); |
| 139 |
|
| 140 |
return; |
| 141 |
} |
| 142 |
|
| 143 |
$compiler |
| 144 |
->raw("strtr(") |
| 145 |
->string($asset->getTargetPath()) |
| 146 |
->raw(", array("); |
| 147 |
|
| 148 |
$first = true; |
| 149 |
foreach ($vars as $var) { |
| 150 |
if (!$first) { |
| 151 |
$compiler->raw(", "); |
| 152 |
} |
| 153 |
$first = false; |
| 154 |
|
| 155 |
$compiler |
| 156 |
->string("{".$var."}") |
| 157 |
->raw(" => \$context['assetic']['vars']['$var']") |
| 158 |
; |
| 159 |
} |
| 160 |
|
| 161 |
$compiler |
| 162 |
->raw("))") |
| 163 |
; |
| 164 |
} |
| 165 |
} |
| 166 |
|
